[deliverable/binutils-gdb.git] / gdb / cli / cli-style.c

/* CLI colorizing

   Copyright (C) 2018-2019 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "defs.h"
#include "cli/cli-cmds.h"
#include "cli/cli-style.h"
#include "source-cache.h"
#include "observable.h"

/* True if styling is enabled.  */

#if defined (__MSDOS__) || defined (__CYGWIN__)
int cli_styling = 0;
#else
int cli_styling = 1;
#endif

/* True if source styling is enabled.  Note that this is only
   consulted when cli_styling is true.  */

int source_styling = 1;

/* Name of colors; must correspond to ui_file_style::basic_color.  */
static const char * const cli_colors[] = {
  "none",
  "black",
  "red",
  "green",
  "yellow",
  "blue",
  "magenta",
  "cyan",
  "white",
  nullptr
};

/* Names of intensities; must correspond to
   ui_file_style::intensity.  */
static const char * const cli_intensities[] = {
  "normal",
  "bold",
  "dim",
  nullptr
};

/* See cli-style.h.  */

cli_style_option file_name_style ("filename", ui_file_style::GREEN);

/* See cli-style.h.  */

cli_style_option function_name_style ("function", ui_file_style::YELLOW);

/* See cli-style.h.  */

cli_style_option variable_name_style ("variable", ui_file_style::CYAN);

/* See cli-style.h.  */

cli_style_option address_style ("address", ui_file_style::BLUE);

/* See cli-style.h.  */

cli_style_option highlight_style ("highlight", ui_file_style::RED);

/* See cli-style.h.  */

cli_style_option title_style ("title", ui_file_style::BOLD);

/* See cli-style.h.  */

cli_style_option::cli_style_option (const char *name,
				    ui_file_style::basic_color fg)
  : m_name (name),
    m_foreground (cli_colors[fg - ui_file_style::NONE]),
    m_background (cli_colors[0]),
    m_intensity (cli_intensities[ui_file_style::NORMAL])
{
}

/* See cli-style.h.  */

cli_style_option::cli_style_option (const char *name,
				    ui_file_style::intensity i)
  : m_name (name),
    m_foreground (cli_colors[0]),
    m_background (cli_colors[0]),
    m_intensity (cli_intensities[i])
{
}

/* Return the color number corresponding to COLOR.  */

static int
color_number (const char *color)
{
  for (int i = 0; i < ARRAY_SIZE (cli_colors); ++i)
    {
      if (color == cli_colors[i])
	return i - 1;
    }
  gdb_assert_not_reached ("color not found");
}

/* See cli-style.h.  */

ui_file_style
cli_style_option::style () const
{
  int fg = color_number (m_foreground);
  int bg = color_number (m_background);
  ui_file_style::intensity intensity = ui_file_style::NORMAL;

  for (int i = 0; i < ARRAY_SIZE (cli_intensities); ++i)
    {
      if (m_intensity == cli_intensities[i])
	{
	  intensity = (ui_file_style::intensity) i;
	  break;
	}
    }

  return ui_file_style (fg, bg, intensity);
}

/* Implements the cli_style_option::do_show_* functions.
   WHAT and VALUE are the property and value to show.
   The style for which WHAT is shown is retrieved from CMD context.  */

static void
do_show (const char *what, struct ui_file *file,
	 struct cmd_list_element *cmd,
	 const char *value)
{
  cli_style_option *cso = (cli_style_option *) get_cmd_context (cmd);
  fputs_filtered (_("The "), file);
  fprintf_styled (file, cso->style (), _("\"%s\" style"), cso->name ());
  fprintf_filtered (file, _(" %s is: %s\n"), what, value);
}

/* See cli-style.h.  */

void
cli_style_option::do_show_foreground (struct ui_file *file, int from_tty,
				      struct cmd_list_element *cmd,
				      const char *value)
{
  do_show (_("foreground color"), file, cmd, value);
}

/* See cli-style.h.  */

void
cli_style_option::do_show_background (struct ui_file *file, int from_tty,
				      struct cmd_list_element *cmd,
				      const char *value)
{
  do_show (_("background color"), file, cmd, value);
}

/* See cli-style.h.  */

void
cli_style_option::do_show_intensity (struct ui_file *file, int from_tty,
				     struct cmd_list_element *cmd,
				     const char *value)
{
  do_show (_("display intensity"), file, cmd, value);
}

/* See cli-style.h.  */

void
cli_style_option::add_setshow_commands (enum command_class theclass,
					const char *prefix_doc,
					struct cmd_list_element **set_list,
					void (*do_set) (const char *args,
							int from_tty),
					struct cmd_list_element **show_list,
					void (*do_show) (const char *args,
							 int from_tty))
{
  m_set_prefix = std::string ("set style ") + m_name + " ";
  m_show_prefix = std::string ("show style ") + m_name + " ";

  add_prefix_cmd (m_name, no_class, do_set, prefix_doc, &m_set_list,
		  m_set_prefix.c_str (), 0, set_list);
  add_prefix_cmd (m_name, no_class, do_show, prefix_doc, &m_show_list,
		  m_show_prefix.c_str (), 0, show_list);

  add_setshow_enum_cmd ("foreground", theclass, cli_colors,
			&m_foreground,
			_("Set the foreground color for this property"),
			_("Show the foreground color for this property"),
			nullptr,
			nullptr,
			do_show_foreground,
			&m_set_list, &m_show_list, (void *) this);
  add_setshow_enum_cmd ("background", theclass, cli_colors,
			&m_background,
			_("Set the background color for this property"),
			_("Show the background color for this property"),
			nullptr,
			nullptr,
			do_show_background,
			&m_set_list, &m_show_list, (void *) this);
  add_setshow_enum_cmd ("intensity", theclass, cli_intensities,
			&m_intensity,
			_("Set the display intensity for this property"),
			_("Show the display intensity for this property"),
			nullptr,
			nullptr,
			do_show_intensity,
			&m_set_list, &m_show_list, (void *) this);
}

static cmd_list_element *style_set_list;
static cmd_list_element *style_show_list;

static void
set_style (const char *arg, int from_tty)
{
  printf_unfiltered (_("\"set style\" must be followed "
		       "by an appropriate subcommand.\n"));
  help_list (style_set_list, "set style ", all_commands, gdb_stdout);
}

static void
show_style (const char *arg, int from_tty)
{
  cmd_show_list (style_show_list, from_tty, "");
}

static void
set_style_enabled  (const char *args, int from_tty, struct cmd_list_element *c)
{
  g_source_cache.clear ();
  gdb::observers::source_styling_changed.notify ();
}

static void
show_style_enabled (struct ui_file *file, int from_tty,
		    struct cmd_list_element *c, const char *value)
{
  if (cli_styling)
    fprintf_filtered (file, _("CLI output styling is enabled.\n"));
  else
    fprintf_filtered (file, _("CLI output styling is disabled.\n"));
}

static void
show_style_sources (struct ui_file *file, int from_tty,
		    struct cmd_list_element *c, const char *value)
{
  if (source_styling)
    fprintf_filtered (file, _("Source code styling is enabled.\n"));
  else
    fprintf_filtered (file, _("Source code styling is disabled.\n"));
}

/* Builds the "set style NAME " prefix.  */

static std::string
set_style_name (const char *name)
{
  std::string result ("set style ");

  result += name;
  result += " ";
  return result;
}

void
_initialize_cli_style ()
{
  add_prefix_cmd ("style", no_class, set_style, _("\
Style-specific settings\n\
Configure various style-related variables, such as colors"),
		  &style_set_list, "set style ", 0, &setlist);
  add_prefix_cmd ("style", no_class, show_style, _("\
Style-specific settings\n\
Configure various style-related variables, such as colors"),
		  &style_show_list, "show style ", 0, &showlist);

  add_setshow_boolean_cmd ("enabled", no_class, &cli_styling, _("\
Set whether CLI styling is enabled."), _("\
Show whether CLI is enabled."), _("\
If enabled, output to the terminal is styled."),
			   set_style_enabled, show_style_enabled,
			   &style_set_list, &style_show_list);

  add_setshow_boolean_cmd ("sources", no_class, &source_styling, _("\
Set whether source code styling is enabled."), _("\
Show whether source code styling is enabled."), _("\
If enabled, source code is styled.\n"
#ifdef HAVE_SOURCE_HIGHLIGHT
"Note that source styling only works if styling in general is enabled,\n\
see \"show style enabled\"."
#else
"Source highlighting is disabled in this installation of gdb, because\n\
it was not linked against GNU Source Highlight."
#endif
			   ), set_style_enabled, show_style_sources,
			   &style_set_list, &style_show_list);

#define STYLE_ADD_SETSHOW_COMMANDS(STYLE, PREFIX_DOC)	  \
  STYLE.add_setshow_commands (no_class, PREFIX_DOC,		\
			      &style_set_list,				\
			      [] (const char *args, int from_tty)	\
			      {						\
				help_list				\
				  (STYLE.set_list (),			\
				   set_style_name (STYLE.name ()).c_str (), \
				   all_commands,			\
				   gdb_stdout);				\
			      },					\
			      &style_show_list,				\
			      [] (const char *args, int from_tty)	\
			      {						\
				cmd_show_list				\
				  (STYLE.show_list (),			\
				   from_tty,				\
				   "");					\
			      })

  STYLE_ADD_SETSHOW_COMMANDS (file_name_style,
			      _("\
Filename display styling\n\
Configure filename colors and display intensity."));

  STYLE_ADD_SETSHOW_COMMANDS (function_name_style,
			      _("\
Function name display styling\n\
Configure function name colors and display intensity"));

  STYLE_ADD_SETSHOW_COMMANDS (variable_name_style,
			      _("\
Variable name display styling\n\
Configure variable name colors and display intensity"));

  STYLE_ADD_SETSHOW_COMMANDS (address_style,
			      _("\
Address display styling\n\
Configure address colors and display intensity"));

  STYLE_ADD_SETSHOW_COMMANDS (title_style,
			      _("\
Title display styling\n\
Configure title colors and display intensity\n\
Some commands (such as \"apropos -v REGEXP\") use the title style to improve\n\
readability."));

  STYLE_ADD_SETSHOW_COMMANDS (highlight_style,
			      _("\
Highlight display styling\n\
Configure highlight colors and display intensity\n\
Some commands use the highlight style to draw the attention to a part\n\
of their output."));
}
Commit	Line	Data
cbe56571 TT	1	/* CLI colorizing
cbe56571 TT	2
42a4f53d	3	Copyright (C) 2018-2019 Free Software Foundation, Inc.
cbe56571 TT	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#include "defs.h"
	21	#include "cli/cli-cmds.h"
	22	#include "cli/cli-style.h"
62f29fda	23	#include "source-cache.h"
6f11e682	24	#include "observable.h"
cbe56571 TT	25
	26	/* True if styling is enabled. */
	27
e4adb939	28	#if defined (__MSDOS__) \|\| defined (__CYGWIN__)
cbe56571 TT	29	int cli_styling = 0;
	30	#else
	31	int cli_styling = 1;
	32	#endif
	33
d085f989 TT	34	/* True if source styling is enabled. Note that this is only
	35	consulted when cli_styling is true. */
	36
	37	int source_styling = 1;
	38
cbe56571 TT	39	/* Name of colors; must correspond to ui_file_style::basic_color. */
	40	static const char * const cli_colors[] = {
	41	"none",
	42	"black",
	43	"red",
	44	"green",
	45	"yellow",
	46	"blue",
	47	"magenta",
	48	"cyan",
	49	"white",
	50	nullptr
	51	};
	52
	53	/* Names of intensities; must correspond to
	54	ui_file_style::intensity. */
	55	static const char * const cli_intensities[] = {
	56	"normal",
	57	"bold",
	58	"dim",
	59	nullptr
	60	};
	61
	62	/* See cli-style.h. */
	63
9303eb2f	64	cli_style_option file_name_style ("filename", ui_file_style::GREEN);
cbe56571 TT	65
	66	/* See cli-style.h. */
	67
9303eb2f	68	cli_style_option function_name_style ("function", ui_file_style::YELLOW);
cbe56571 TT	69
	70	/* See cli-style.h. */
	71
9303eb2f	72	cli_style_option variable_name_style ("variable", ui_file_style::CYAN);
80ae2043 TT	73
	74	/* See cli-style.h. */
	75
9303eb2f	76	cli_style_option address_style ("address", ui_file_style::BLUE);
35fb8261 TT	77
	78	/* See cli-style.h. */
	79
9303eb2f PW	80	cli_style_option highlight_style ("highlight", ui_file_style::RED);
	81
	82	/* See cli-style.h. */
	83
	84	cli_style_option title_style ("title", ui_file_style::BOLD);
	85
	86	/* See cli-style.h. */
	87
	88	cli_style_option::cli_style_option (const char *name,
	89	ui_file_style::basic_color fg)
	90	: m_name (name),
	91	m_foreground (cli_colors[fg - ui_file_style::NONE]),
cbe56571 TT	92	m_background (cli_colors[0]),
	93	m_intensity (cli_intensities[ui_file_style::NORMAL])
	94	{
	95	}
	96
9303eb2f PW	97	/* See cli-style.h. */
	98
	99	cli_style_option::cli_style_option (const char *name,
	100	ui_file_style::intensity i)
	101	: m_name (name),
	102	m_foreground (cli_colors[0]),
	103	m_background (cli_colors[0]),
	104	m_intensity (cli_intensities[i])
	105	{
	106	}
	107
cbe56571 TT	108	/* Return the color number corresponding to COLOR. */
	109
	110	static int
	111	color_number (const char *color)
	112	{
	113	for (int i = 0; i < ARRAY_SIZE (cli_colors); ++i)
	114	{
	115	if (color == cli_colors[i])
	116	return i - 1;
	117	}
	118	gdb_assert_not_reached ("color not found");
	119	}
	120
	121	/* See cli-style.h. */
	122
	123	ui_file_style
	124	cli_style_option::style () const
	125	{
	126	int fg = color_number (m_foreground);
	127	int bg = color_number (m_background);
	128	ui_file_style::intensity intensity = ui_file_style::NORMAL;
	129
	130	for (int i = 0; i < ARRAY_SIZE (cli_intensities); ++i)
	131	{
	132	if (m_intensity == cli_intensities[i])
	133	{
	134	intensity = (ui_file_style::intensity) i;
	135	break;
	136	}
	137	}
	138
	139	return ui_file_style (fg, bg, intensity);
	140	}
	141
9303eb2f PW	142	/* Implements the cli_style_option::do_show_* functions.
	143	WHAT and VALUE are the property and value to show.
	144	The style for which WHAT is shown is retrieved from CMD context. */
	145
	146	static void
	147	do_show (const char what, struct ui_file file,
	148	struct cmd_list_element *cmd,
	149	const char *value)
	150	{
	151	cli_style_option cso = (cli_style_option ) get_cmd_context (cmd);
	152	fputs_filtered (_("The "), file);
	153	fprintf_styled (file, cso->style (), _("\"%s\" style"), cso->name ());
	154	fprintf_filtered (file, _(" %s is: %s\n"), what, value);
	155	}
	156
cbe56571 TT	157	/* See cli-style.h. */
cbe56571 TT	158
cbe56571 TT	159	void
	160	cli_style_option::do_show_foreground (struct ui_file *file, int from_tty,
	161	struct cmd_list_element *cmd,
	162	const char *value)
	163	{
9303eb2f	164	do_show (_("foreground color"), file, cmd, value);
cbe56571 TT	165	}
	166
	167	/* See cli-style.h. */
	168
	169	void
	170	cli_style_option::do_show_background (struct ui_file *file, int from_tty,
	171	struct cmd_list_element *cmd,
	172	const char *value)
	173	{
9303eb2f	174	do_show (_("background color"), file, cmd, value);
cbe56571 TT	175	}
	176
	177	/* See cli-style.h. */
	178
	179	void
	180	cli_style_option::do_show_intensity (struct ui_file *file, int from_tty,
	181	struct cmd_list_element *cmd,
	182	const char *value)
	183	{
9303eb2f	184	do_show (_("display intensity"), file, cmd, value);
cbe56571 TT	185	}
	186
	187	/* See cli-style.h. */
	188
	189	void
9303eb2f	190	cli_style_option::add_setshow_commands (enum command_class theclass,
cbe56571	191	const char *prefix_doc,
cbe56571	192	struct cmd_list_element **set_list,
d73cff18 PW	193	void (do_set) (const char args,
	194	int from_tty),
	195	struct cmd_list_element **show_list,
	196	void (do_show) (const char args,
	197	int from_tty))
cbe56571	198	{
9303eb2f PW	199	m_set_prefix = std::string ("set style ") + m_name + " ";
9303eb2f PW	200	m_show_prefix = std::string ("show style ") + m_name + " ";
cbe56571	201
9303eb2f	202	add_prefix_cmd (m_name, no_class, do_set, prefix_doc, &m_set_list,
ecad3b21	203	m_set_prefix.c_str (), 0, set_list);
9303eb2f	204	add_prefix_cmd (m_name, no_class, do_show, prefix_doc, &m_show_list,
ecad3b21	205	m_show_prefix.c_str (), 0, show_list);
cbe56571 TT	206
	207	add_setshow_enum_cmd ("foreground", theclass, cli_colors,
	208	&m_foreground,
	209	_("Set the foreground color for this property"),
	210	_("Show the foreground color for this property"),
	211	nullptr,
	212	nullptr,
	213	do_show_foreground,
9303eb2f	214	&m_set_list, &m_show_list, (void *) this);
cbe56571 TT	215	add_setshow_enum_cmd ("background", theclass, cli_colors,
	216	&m_background,
	217	_("Set the background color for this property"),
	218	_("Show the background color for this property"),
	219	nullptr,
	220	nullptr,
	221	do_show_background,
9303eb2f	222	&m_set_list, &m_show_list, (void *) this);
cbe56571 TT	223	add_setshow_enum_cmd ("intensity", theclass, cli_intensities,
cbe56571 TT	224	&m_intensity,
d73cff18 PW	225	_("Set the display intensity for this property"),
d73cff18 PW	226	_("Show the display intensity for this property"),
cbe56571 TT	227	nullptr,
	228	nullptr,
	229	do_show_intensity,
9303eb2f	230	&m_set_list, &m_show_list, (void *) this);
cbe56571 TT	231	}
cbe56571 TT	232
d73cff18 PW	233	static cmd_list_element *style_set_list;
	234	static cmd_list_element *style_show_list;
	235
cbe56571 TT	236	static void
	237	set_style (const char *arg, int from_tty)
	238	{
d73cff18 PW	239	printf_unfiltered (_("\"set style\" must be followed "
	240	"by an appropriate subcommand.\n"));
	241	help_list (style_set_list, "set style ", all_commands, gdb_stdout);
cbe56571 TT	242	}
	243
	244	static void
	245	show_style (const char *arg, int from_tty)
	246	{
d73cff18	247	cmd_show_list (style_show_list, from_tty, "");
cbe56571 TT	248	}
cbe56571 TT	249
62f29fda TT	250	static void
	251	set_style_enabled (const char args, int from_tty, struct cmd_list_element c)
	252	{
	253	g_source_cache.clear ();
6f11e682	254	gdb::observers::source_styling_changed.notify ();
62f29fda TT	255	}
62f29fda TT	256
cbe56571 TT	257	static void
	258	show_style_enabled (struct ui_file *file, int from_tty,
	259	struct cmd_list_element c, const char value)
	260	{
	261	if (cli_styling)
	262	fprintf_filtered (file, _("CLI output styling is enabled.\n"));
	263	else
	264	fprintf_filtered (file, _("CLI output styling is disabled.\n"));
	265	}
	266
d085f989 TT	267	static void
	268	show_style_sources (struct ui_file *file, int from_tty,
	269	struct cmd_list_element c, const char value)
	270	{
	271	if (source_styling)
	272	fprintf_filtered (file, _("Source code styling is enabled.\n"));
	273	else
	274	fprintf_filtered (file, _("Source code styling is disabled.\n"));
	275	}
	276
9303eb2f PW	277	/* Builds the "set style NAME " prefix. */
	278
	279	static std::string
	280	set_style_name (const char *name)
	281	{
	282	std::string result ("set style ");
	283
	284	result += name;
	285	result += " ";
	286	return result;
	287	}
	288
cbe56571 TT	289	void
	290	_initialize_cli_style ()
	291	{
cbe56571 TT	292	add_prefix_cmd ("style", no_class, set_style, _("\
	293	Style-specific settings\n\
	294	Configure various style-related variables, such as colors"),
	295	&style_set_list, "set style ", 0, &setlist);
	296	add_prefix_cmd ("style", no_class, show_style, _("\
	297	Style-specific settings\n\
	298	Configure various style-related variables, such as colors"),
	299	&style_show_list, "show style ", 0, &showlist);
	300
	301	add_setshow_boolean_cmd ("enabled", no_class, &cli_styling, _("\
	302	Set whether CLI styling is enabled."), _("\
	303	Show whether CLI is enabled."), _("\
	304	If enabled, output to the terminal is styled."),
62f29fda	305	set_style_enabled, show_style_enabled,
cbe56571 TT	306	&style_set_list, &style_show_list);
cbe56571 TT	307
d085f989 TT	308	add_setshow_boolean_cmd ("sources", no_class, &source_styling, _("\
	309	Set whether source code styling is enabled."), _("\
	310	Show whether source code styling is enabled."), _("\
	311	If enabled, source code is styled.\n"
	312	#ifdef HAVE_SOURCE_HIGHLIGHT
	313	"Note that source styling only works if styling in general is enabled,\n\
	314	see \"show style enabled\"."
	315	#else
	316	"Source highlighting is disabled in this installation of gdb, because\n\
	317	it was not linked against GNU Source Highlight."
	318	#endif
	319	), set_style_enabled, show_style_sources,
	320	&style_set_list, &style_show_list);
	321
9303eb2f PW	322	#define STYLE_ADD_SETSHOW_COMMANDS(STYLE, PREFIX_DOC) \
9303eb2f PW	323	STYLE.add_setshow_commands (no_class, PREFIX_DOC, \
d73cff18 PW	324	&style_set_list, \
	325	[] (const char *args, int from_tty) \
	326	{ \
	327	help_list \
	328	(STYLE.set_list (), \
9303eb2f	329	set_style_name (STYLE.name ()).c_str (), \
d73cff18 PW	330	all_commands, \
	331	gdb_stdout); \
	332	}, \
	333	&style_show_list, \
	334	[] (const char *args, int from_tty) \
	335	{ \
	336	cmd_show_list \
	337	(STYLE.show_list (), \
	338	from_tty, \
	339	""); \
	340	})
	341
9303eb2f	342	STYLE_ADD_SETSHOW_COMMANDS (file_name_style,
d73cff18	343	_("\
cbe56571	344	Filename display styling\n\
d73cff18 PW	345	Configure filename colors and display intensity."));
d73cff18 PW	346
9303eb2f	347	STYLE_ADD_SETSHOW_COMMANDS (function_name_style,
d73cff18	348	_("\
cbe56571	349	Function name display styling\n\
d73cff18 PW	350	Configure function name colors and display intensity"));
d73cff18 PW	351
9303eb2f	352	STYLE_ADD_SETSHOW_COMMANDS (variable_name_style,
d73cff18	353	_("\
80ae2043	354	Variable name display styling\n\
d73cff18 PW	355	Configure variable name colors and display intensity"));
d73cff18 PW	356
9303eb2f	357	STYLE_ADD_SETSHOW_COMMANDS (address_style,
d73cff18	358	_("\
35fb8261	359	Address display styling\n\
d73cff18	360	Configure address colors and display intensity"));
9303eb2f PW	361
	362	STYLE_ADD_SETSHOW_COMMANDS (title_style,
	363	_("\
	364	Title display styling\n\
	365	Configure title colors and display intensity\n\
	366	Some commands (such as \"apropos -v REGEXP\") use the title style to improve\n\
	367	readability."));
	368
	369	STYLE_ADD_SETSHOW_COMMANDS (highlight_style,
	370	_("\
	371	Highlight display styling\n\
	372	Configure highlight colors and display intensity\n\
	373	Some commands use the highlight style to draw the attention to a part\n\
	374	of their output."));
cbe56571	375	}